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Editorial Team
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Asked: 2026-05-26T20:57:11+00:00

Simple question, but this gives me an error and I can’t seem to resolve

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Simple question, but this gives me an error and I can’t seem to resolve it.

In my object (UIViewController) I have declared a method in the .h

-(void)setCurrentLoc:(CLLocation *)loc;

and in the .m

-(void)setCurrentLoc:(CLLocation *)loc
{
    currentLocation = loc;
}

All good. But this is how I initiate this object (which works fine) but when I call setCurrentLoc: it gives SIGBART

.h

IBOutlet VectorViewController *vectorView;

.m

vectorView = [[VectorViewController alloc] init];
...
//In another method I call:
[vectorView setCurrentLoc:location]; // Error/SIGBART line

Is there something I missed? Maybe not making it global or something?

Error:

-[UIView setCurrentLoc:]: unrecognized selector sent to instance 0x841cab0

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1 Answer

  1. Editorial Team

    -[UIView setCurrentLoc:]: unrecognized selector sent to instance 0x841cab0

    This means that you are sending the message to a pointer that is no longer pointing at your VectorViewController, but is now pointing at a UIView. This usually happens when the object has been autoreleased or released and the memory re-used.

    Check carefully what happens between when you create vectorView and when you call it again in your other method. You seem to be setting and accessing the instance variable directly – you should probably be accessing it via properties (hard to be specific without knowing if you are using ARC or not) and making sure those properties are declared appropriately.

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